In Montgomery, Alabama, Rosa Parks is jailed for refusing to give up her seat on a public bus to a white man, a violation of the city's racial segregation laws.
A finish equipment operator is a construction equipment operator who specializes in controlling the machines that are used in the final stages of construction products. They work in coordination with a supervisor and a crew of construction workers; when running the machinery, they often communicate via radio or hand signals.
Pickling and Passivation are different forms of chemical metal finishing that provide protection on the surface of the metals. The process of doing pickling and passivation on a metal is not much of a difference. They both remove imperfections and rust on the surface of the metal.